805424863 has 2 divisors, whose sum is σ = 805424864. Its totient is φ = 805424862.

The previous prime is 805424821. The next prime is 805424881. The reversal of 805424863 is 368424508.

805424863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 805424863 - 2²⁹ = 268553951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805424063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402712431 + 402712432.

It is an arithmetic number, because the mean of its divisors is an integer number (402712432).

Almost surely, 2^805424863 is an apocalyptic number.

805424863 is a deficient number, since it is larger than the sum of its proper divisors (1).

805424863 is an equidigital number, since it uses as much as digits as its factorization.

805424863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 805424863 is about 28380.0081571518. The cubic root of 805424863 is about 930.4113734859.

The spelling of 805424863 in words is "eight hundred five million, four hundred twenty-four thousand, eight hundred sixty-three".